np8b00167_si_001.pdf (1.98 MB)
Melanogenesis-Inhibitory and Cytotoxic Activities of Triterpene Glycoside Constituents from the Bark of Albizia procera
journal contribution
posted on 2018-12-06, 13:48 authored by Jie Zhang, Toshihiro Akihisa, Masahiro Kurita, Takashi Kikuchi, Wan-Fang Zhu, Feng Ye, Zhen-Huan Dong, Wen-Yuan Liu, Feng Feng, Jian XuFive oleanane-type triterpene glycosides
including three new ones,
proceraosides E–G (1–3), were
isolated from a MeOH-soluble extract of Albizia procera bark. The structures of 1–3 were
determined by use of NMR spectra, HRESIMS, and chemical methods. Compounds 1–5 exhibited inhibitory activities against
the proliferation of the A549, SKBR3, AZ521, and HL60 human cancer
cell lines (IC50 0.28–1.8 μM). Additionally,
the apoptosis-inducing activity of compound 2 was evaluated
by Hoechst 33342 staining and flow cytometry, while the effects of 2 on the activation of caspases-9, -8, and -3 in HL60 cells
were revealed by Western blot analysis.
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MeOH-solubleCytotoxic Activitiescompound 2HL 60 cellsactivation-3Albizia procera barkWestern blot analysisflow cytometryCompoundproliferationcaspaseNMR spectraSKBRBarkoneHL 60apoptosis-inducing activityoleanane-type triterpene glycosidesAlbizia proceraMelanogenesis-Inhibitorycancer cell linesHoechst 33342 stainingproceraosideICAZTriterpene Glycoside ConstituentsHRESIMSchemical methods
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